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Finding the Fourth Proportional to 255,000.96, 351,913.22 and 147,550.20

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Solution

The fourth proportional to 255,000.96, 351,913.22 and 147,550.20 is: 203,626.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,000.96 : 351,913.22 = 147,550.20 : x
  2. Step 2: Convert to fraction form
    255,000.96/351,913.22 = 147,550.20/x
  3. Step 3: Cross multiply
    255,000.96x = 351,913.22 × 147,550.20
  4. Step 4: Simplify right side
    255,000.96x = 51,924,865,993.64
  5. Step 5: Solve for x
    x = 51,924,865,993.64/255,000.96
  6. Step 6: Final answer
    x = 203,626.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.